How to Draw a UML Association Class

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An association class, which is essentially a class attached to an association, is used to model an association as a UML class. It has its own name, attributes operations, just like any other ordinary class. However, it is described by additional attributes which does not belong to the objects involved in the association. For example, an Enrollment class is added to hold the attribute year between Student class and Course class, but it does not belong to either Student class or Course class.

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Advanced Printing Features of Logizian

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Along with the basic printing setup, Logizian enables you to perform various additional functions in order to print the size of your diagram at its best. This article is mainly concerned with adjusting page margin, printing with multiple page mode and printing with clip marks.

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Easy Screen Mockup with Screen Designer

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Web Application UI is an easy-to-use screen mockup tool which can help you to develop the prototype of your user interface with few clicks. Since most common UI elements are handy, you can speed up the creation of user interface. Moreover, with resource centric interface, you can add a note for your UI elements to provide references.

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Delete a Specific Message of Combined Message in Communication Diagram

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Majority of products in the market though allow users to create multiple messages which results in confusion with multiple arrows on a message link. What even worse is that you find it hard to delete a specific message among various messages. With VP-UML, you can not only combine numerous messages into a combined message with just one arrow, but also delete a specific message of the combined message instead of all messages.

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How to Model Subtype in ERD

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When a few entities are subgrouped under a particular entity in an entity type, it means those entities share common attributes or relationships.

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Reuse Model Elements in Different Diagrams

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With VP-UML, you are able to show model elements in various diagrams to fit into different contexts. Two ways are provided to assist you in reusing model elements in different diagrams. This article will teach you firstly dragging and dropping from the tree to the diagram, secondly copying and pasting between diagrams and finally showing views.

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Copy Models across Projects

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Users can copy and paste models not only between diagrams, but also across projects in VP-UML. This article is going to show you how to copy and paste model across projects within the same application.

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Choose a Different Dictionary in Spell Checking

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The built-in spell checking feature of VP-UML/Agilian/Logizian helps ensure the correctness of model element names and documentation by marking those unrecognized words with red underlining. It works for numerous languages such as English, French, Spanish, German, Italian, etc. In this article, we will guide you through the steps to change the language of dictionary from American English, which is the default option, to British English.

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Database Design with Schema

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Since VP-UML supports schema, users can make use of model to manage database. Users can develop ERDs under models, thereby, entities in different models can share the same name, but different schema. This page will demonstrate how to create model, how to create ERD under model and then how to apply schema.

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Add and Remove Template Parameters of UML Class

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Users can create UML class with template parameter to form the template class. With Visual Paradigm for UML 8.0 (VP-UML), you can add and remove template parameters. In this page, you can learn how to add template parameter to class and how to remove it from class in class diagram.

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